Tricker, R. A. R. The assessment of scientific speculation, : a survey of certain c urrent views / [by] R. A. R. Tricker. - [U.S.A. ed.] - London, : Mills & Boom, [1965] - xi, 200 p. : ill. ; 23 cm. Includes bibliographical references ( p. 195-196) Subjects--Topical Terms: Science --Methodology.------ Dewey Class. No.: 501